Home / 75,490.24-113,215.11-35,968.72

Finding the Fourth Proportional to 75,490.24, 113,215.11 and 35,968.72

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Solution

The fourth proportional to 75,490.24, 113,215.11 and 35,968.72 is: 53,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,490.24 : 113,215.11 = 35,968.72 : x
  2. Step 2: Convert to fraction form
    75,490.24/113,215.11 = 35,968.72/x
  3. Step 3: Cross multiply
    75,490.24x = 113,215.11 × 35,968.72
  4. Step 4: Simplify right side
    75,490.24x = 4,072,202,591.36
  5. Step 5: Solve for x
    x = 4,072,202,591.36/75,490.24
  6. Step 6: Final answer
    x = 53,943.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.